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drm/xe: Avoid the OOM killer on buffer object memory allocation

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Rather than invoking the OOM killer on buffer object memory
allocations and validations, have the allocations fail and
pass the error to user-space if applicable.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2701
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241031153732.164995-2-thomas.hellstrom@linux.intel.com
This commit is contained in:
Thomas Hellström 2024-10-31 16:37:31 +01:00
parent e1f6fa5566
commit 6bd49cc1a8
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/xe/xe_bo.c
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@ -876,6 +876,7 @@ int xe_bo_evict_pinned(struct xe_bo *bo)
};
struct ttm_operation_ctx ctx = {
.interruptible = false,
.gfp_retry_mayfail = true,
};
struct ttm_resource *new_mem;
int ret;
@ -937,6 +938,7 @@ int xe_bo_restore_pinned(struct xe_bo *bo)
{
struct ttm_operation_ctx ctx = {
.interruptible = false,
.gfp_retry_mayfail = false,
};
struct ttm_resource *new_mem;
int ret;
@ -1099,7 +1101,8 @@ static void xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operati
static void xe_ttm_bo_swap_notify(struct ttm_buffer_object *ttm_bo)
{
struct ttm_operation_ctx ctx = {
.interruptible = false
.interruptible = false,
.gfp_retry_mayfail = false,
};
if (ttm_bo->ttm) {
@ -1294,6 +1297,7 @@ struct xe_bo *___xe_bo_create_locked(struct xe_device *xe, struct xe_bo *bo,
struct ttm_operation_ctx ctx = {
.interruptible = true,
.no_wait_gpu = false,
.gfp_retry_mayfail = true,
};
struct ttm_placement *placement;
uint32_t alignment;
@ -1897,6 +1901,7 @@ int xe_bo_validate(struct xe_bo *bo, struct xe_vm *vm, bool allow_res_evict)
struct ttm_operation_ctx ctx = {
.interruptible = true,
.no_wait_gpu = false,
.gfp_retry_mayfail = true,
};
if (vm) {
@ -2240,6 +2245,7 @@ int xe_bo_migrate(struct xe_bo *bo, u32 mem_type)
struct ttm_operation_ctx ctx = {
.interruptible = true,
.no_wait_gpu = false,
.gfp_retry_mayfail = true,
};
struct ttm_placement placement;
struct ttm_place requested;
@ -2290,6 +2296,7 @@ int xe_bo_evict(struct xe_bo *bo, bool force_alloc)
.interruptible = false,
.no_wait_gpu = false,
.force_alloc = force_alloc,
.gfp_retry_mayfail = true,
};
struct ttm_placement placement;
int ret;